Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6302205 | Method for locating a drill bit when drilling out cementing equipment from a wellbore | — | 2001-10-16 |
| 6237686 | Cementing plug | Colin Reid | 2001-05-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6302205 | Method for locating a drill bit when drilling out cementing equipment from a wellbore | — | 2001-10-16 |
| 6237686 | Cementing plug | Colin Reid | 2001-05-29 |